Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 48 · 40 questions

How to solve it (Throw away the weeks): Count the days between the two dates (use the month lengths: 30 or 31, February 28 in an ordinary year). Divide by 7: whole weeks do not change the day; the remainder does. Count the remainder on from the starting day.

1. 1.If 4 December is a Thursday, what day of the week is 13 December? (a) Sunday (b) Friday (c) Monday (d) Saturday
2. 2.If 28 May is a Sunday, what day of the week is 2 June? (a) Saturday (b) Friday (c) Thursday (d) Sunday
3. 3.Today is Friday. What day of the week will it be after 69 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
4. 4.If 7 January is a Saturday, what day of the week is 22 January? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
5. 5.If 9 January is a Friday, what day of the week is 21 January? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
6. 6.Today is Monday. What day of the week will it be after 11 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
7. 7.If 12 November is a Tuesday, what day of the week is 20 December? (a) Friday (b) Sunday (c) Thursday (d) Saturday
8. 8.If 29 May is a Tuesday, what day of the week is 12 June? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
9. 9.If 4 March is a Tuesday, what day of the week is 15 March? (a) Friday (b) Monday (c) Saturday (d) Sunday
10. 10.If 8 January is a Saturday, what day of the week is 16 January? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
11. 11.If 2 May is a Monday, what day of the week is 15 May? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
12. 12.If 1 January is a Wednesday, what day of the week is 15 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
13. 13.If 6 January is a Friday, what day of the week is 22 January? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
14. 14.If 2 March is a Tuesday, what day of the week is 14 March? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
15. 15.If 3 October is a Monday, what day of the week is 15 October? (a) Friday (b) Sunday (c) Saturday (d) Monday
16. 16.If 7 March is a Monday, what day of the week is 22 March? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
17. 17.If 3 August is a Thursday, what day of the week is 13 August? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
18. 18.If 6 August is a Tuesday, what day of the week is 19 August? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
19. 19.If 23 November is a Wednesday, what day of the week is 3 December? (a) Monday (b) Saturday (c) Sunday (d) Friday
20. 20.If 14 October is a Friday, what day of the week is 18 November? (a) Friday (b) Saturday (c) Sunday (d) Thursday
21. 21.If 27 May is a Saturday, what day of the week is 8 June? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
22. 22.If 12 July is a Wednesday, what day of the week is 25 July? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
23. 23.If 28 April is a Wednesday, what day of the week is 7 May? (a) Thursday (b) Sunday (c) Friday (d) Saturday
24. 24.If 30 January is a Saturday, what day of the week is 18 February? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
25. 25.Today is Saturday. What day of the week will it be after 99 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
26. 26.If 5 December is a Saturday, what day of the week is 21 December? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
27. 27.If 7 October is a Monday, what day of the week is 15 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
28. 28.If 10 October is a Tuesday, what day of the week is 17 November? (a) Friday (b) Saturday (c) Sunday (d) Thursday
29. 29.If 10 August is a Thursday, what day of the week is 20 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
30. 30.Today is Wednesday. What day of the week will it be after 19 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
31. 31.If 30 May is a Tuesday, what day of the week is 6 June? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
32. 32.If 17 January is a Saturday, what day of the week is 4 February? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
33. 33.If 10 October is a Wednesday, what day of the week is 19 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
34. 34.If 5 August is a Sunday, what day of the week is 13 August? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
35. 35.If 28 May is a Tuesday, what day of the week is 4 June? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
36. 36.If 25 May is a Friday, what day of the week is 18 June? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
37. 37.If 6 July is a Friday, what day of the week is 17 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
38. 38.If 3 August is a Monday, what day of the week is 12 August? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
39. 39.Today is Sunday. What day of the week will it be after 64 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
40. 40.If 21 January is a Friday, what day of the week is 15 February? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday

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